Spectrophotometer, quartz
1940
- Title
- Spectrophotometer, quartz
- Collection
- Caltech Images Collection
- Series
- Scientific Instrument Photographs
- Identifier
- ST-BE-06
- Dates
- 1940
- Extents
- 1 photographs (negative)
- Abstract
- Serial D-282. Phototube housing and lamp housing directly attached to main unit. Attached by cord is undistinguished light gray metal box (power supply regulator?) Mfg. National Technical Laboratories, South Pasadena, CA.